本文整理汇总了C++中geom::Geometry::getArea方法的典型用法代码示例。如果您正苦于以下问题：C++ Geometry::getArea方法的具体用法？C++ Geometry::getArea怎么用？C++ Geometry::getArea使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类geom::Geometry的用法示例。
在下文中一共展示了Geometry::getArea方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: BinaryOp
bool
BufferResultMatcher::isSymDiffAreaInTolerance(
const geom::Geometry& actualBuffer,
const geom::Geometry& expectedBuffer)
{
typedef std::auto_ptr<geom::Geometry> GeomPtr;
using namespace operation::overlay;
using geos::geom::BinaryOp;
double area = expectedBuffer.getArea();
GeomPtr diff = BinaryOp(&actualBuffer, &expectedBuffer,
overlayOp(OverlayOp::opSYMDIFFERENCE));
double areaDiff = diff->getArea();
// can't get closer than difference area = 0 !
// This also handles case when symDiff is empty
if (areaDiff <= 0.0) return true;
if (area <= 0) return false;
double frac = areaDiff / area;
bool ret = frac < MAX_RELATIVE_AREA_DIFFERENCE;
if ( ! ret )
{
std::cerr << "symDiffArea frac: " << frac << " tolerated " << MAX_RELATIVE_AREA_DIFFERENCE << std::endl;
}
return ret;
}